2-Amino-5-bromopyrazine → HCID 86608123, compound

HRID 269343Notes

Reaction equation

HRID 269343 reaction equation
[C:1]([C:3]1[CH:4]=[N:5][N:6]2[C:11]([C:12]([F:15])([F:14])[F:13])=[CH:10][C:9]([C:16]3[CH:21]=[CH:20][C:19]([C:22]([F:25])([F:24])[F:23])=[CH:18][CH:17]=3)=[N:8][C:7]=12)#[CH:2].[NH2:26][C:27]1[CH:32]=[N:31][C:30](Br)=[CH:29][N:28]=1>>[F:15][C:12]([F:14])([F:13])[C:11]1[N:6]2[N:5]=[CH:4][C:3]([C:1]#[C:2][C:30]3[N:31]=[CH:32][C:27]([NH2:26])=[N:28][CH:29]=3)=[C:7]2[N:8]=[C:9]([C:16]2[CH:21]=[CH:20][C:19]([C:22]([F:25])([F:24])[F:23])=[CH:18][CH:17]=2)[CH:10]=1

Participants

3

Procedure

The title compound was prepared from 3-ethynyl-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (example C.1) (178 mg, 0.5 mmol) and commercially available 2-amino-5-bromo-pyrazine (87 mg, 0.5 mmol) according to general procedure II. Obtained as an orange solid (63 mg, 28%). MS (EI) 448.0 [(M)+]; mp 200° C.

Sources & evidence

ORD record
ord-fec251591acf470f9b45c2e916eeebfa
Source dataset
uspto-grants-2008_11
Patent number
US07446113B2

Reaction notes

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